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3107742156 = 223286326171
BaseRepresentation
bin1011100100111100…
…0110000111001100
322000120202122210100
42321033012013030
522331040222111
61232213411100
7140004241521
oct27117060714
98016678710
103107742156
11135526a752
12728939a90
133a6b08cac
14216a51148
15132c77756
hexb93c61cc

3107742156 has 18 divisors (see below), whose sum is σ = 7855681652. Its totient is φ = 1035914040.

The previous prime is 3107742107. The next prime is 3107742161. The reversal of 3107742156 is 6512477013.

It is a happy number.

3107742156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×31077421562 = 19316122616359056672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 86326171 = 3107742156 / (3 + 1 + 0 + 7 + 7 + 4 + 2 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 3107742156.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43163050 + ... + 43163121.

Almost surely, 23107742156 is an apocalyptic number.

3107742156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3107742156 is an abundant number, since it is smaller than the sum of its proper divisors (4747939496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3107742156 is a wasteful number, since it uses less digits than its factorization.

3107742156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86326181 (or 86326176 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 3107742156 is about 55747.1268856073. The cubic root of 3107742156 is about 1459.3125799982.

The spelling of 3107742156 in words is "three billion, one hundred seven million, seven hundred forty-two thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 86326171 172652342 258978513 345304684 517957026 776935539 1035914052 1553871078 3107742156